广东省番禺市丽江花园康城居恒康阁1～3幢住宅楼均为10层全现浇框架结构。每幢楼的屋面面积为650m~2,设计要求屋面防水保温层作法为:钢筋混凝土结构层;20mm 厚1:2.5水泥砂浆找平层;刚柔结合性砂面防水卷材,长边搭接80mm,短边搭接100mm,用高效粘结剂密封卷材末端;加气混凝土隔热层,找坡2%,最薄处≥40 Panyu City, Guangdong Province, Lijiang Garden Kangcheng Habitat Kang House 1 to 3 residential buildings are all 10-story cast-in-frame structure. Each floor of the roof area of ​​650m ~ 2, the design requirements of waterproof roofing practices: reinforced concrete structure layer; 20mm thick 1: 2.5 leveling layer of cement mortar; rigid and flexible sand with a waterproof membrane, the long edge of the overlap 80mm , Short-side lap 100mm, sealed with high-performance adhesive end of the coil; Aerated concrete insulation to find slope 2%, the thinnest Department ≥ 40